mirror of
https://github.com/1f349/dendrite.git
synced 2024-11-09 22:42:58 +00:00
Propagate error with wrong ?ts= param back to client (#576)
* make MatrixError implement error interface * let ParseTSParam return error when no int transmitted * fix to high cyclo for SendEvent * Move generateSendEvent below SendEvent * Drop ParseIntParam() as it is used only in one place * Parse ts param at the beginning of JoinRoom to be able to abort right in the beginning and to not parse the MatrixError to get an error response * make ParseTSParam() return error instead of JSONResponse
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0b5ae4692e
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@ -13,6 +13,7 @@
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package httputil
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import (
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"fmt"
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"net/http"
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"strconv"
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"time"
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@ -21,18 +22,18 @@ import (
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// ParseTSParam takes a req (typically from an application service) and parses a Time object
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// from the req if it exists in the query parameters. If it doesn't exist, the
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// current time is returned.
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func ParseTSParam(req *http.Request) time.Time {
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func ParseTSParam(req *http.Request) (time.Time, error) {
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// Use the ts parameter's value for event time if present
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tsStr := req.URL.Query().Get("ts")
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if tsStr == "" {
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return time.Now()
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return time.Now(), nil
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}
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// The parameter exists, parse into a Time object
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ts, err := strconv.ParseInt(tsStr, 10, 64)
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if err != nil {
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return time.Unix(ts/1000, 0)
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return time.Time{}, fmt.Errorf("Param 'ts' is no valid int (%s)", err.Error())
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}
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return time.Unix(ts/1000, 0)
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return time.Unix(ts/1000, 0), nil
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}
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@ -28,7 +28,7 @@ type MatrixError struct {
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Err string `json:"error"`
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}
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func (e *MatrixError) Error() string {
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func (e MatrixError) Error() string {
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return fmt.Sprintf("%s: %s", e.ErrCode, e.Err)
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}
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@ -147,7 +147,13 @@ func createRoom(
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return *resErr
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}
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evTime := httputil.ParseTSParam(req)
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evTime, err := httputil.ParseTSParam(req)
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if err != nil {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: jsonerror.InvalidArgumentValue(err.Error()),
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}
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}
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// TODO: visibility/presets/raw initial state/creation content
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// TODO: Create room alias association
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// Make sure this doesn't fall into an application service's namespace though!
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@ -18,6 +18,7 @@ import (
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"fmt"
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"net/http"
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"strings"
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"time"
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"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
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"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
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@ -51,6 +52,14 @@ func JoinRoomByIDOrAlias(
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return *resErr
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}
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evTime, err := httputil.ParseTSParam(req)
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if err != nil {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: jsonerror.InvalidArgumentValue(err.Error()),
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}
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}
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localpart, _, err := gomatrixserverlib.SplitID('@', device.UserID)
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if err != nil {
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return httputil.LogThenError(req, err)
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@ -65,7 +74,9 @@ func JoinRoomByIDOrAlias(
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content["displayname"] = profile.DisplayName
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content["avatar_url"] = profile.AvatarURL
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r := joinRoomReq{req, content, device.UserID, cfg, federation, producer, queryAPI, aliasAPI, keyRing}
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r := joinRoomReq{
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req, evTime, content, device.UserID, cfg, federation, producer, queryAPI, aliasAPI, keyRing,
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}
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if strings.HasPrefix(roomIDOrAlias, "!") {
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return r.joinRoomByID(roomIDOrAlias)
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@ -81,6 +92,7 @@ func JoinRoomByIDOrAlias(
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type joinRoomReq struct {
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req *http.Request
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evTime time.Time
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content map[string]interface{}
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userID string
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cfg config.Dendrite
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@ -213,9 +225,8 @@ func (r joinRoomReq) joinRoomUsingServers(
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return httputil.LogThenError(r.req, err)
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}
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evTime := httputil.ParseTSParam(r.req)
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var queryRes roomserverAPI.QueryLatestEventsAndStateResponse
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event, err := common.BuildEvent(r.req.Context(), &eb, r.cfg, evTime, r.queryAPI, &queryRes)
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event, err := common.BuildEvent(r.req.Context(), &eb, r.cfg, r.evTime, r.queryAPI, &queryRes)
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if err == nil {
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if _, err = r.producer.SendEvents(r.req.Context(), []gomatrixserverlib.Event{*event}, r.cfg.Matrix.ServerName, nil); err != nil {
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return httputil.LogThenError(r.req, err)
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@ -285,10 +296,9 @@ func (r joinRoomReq) joinRoomUsingServer(roomID string, server gomatrixserverlib
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return nil, err
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}
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evTime := httputil.ParseTSParam(r.req)
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eventID := fmt.Sprintf("$%s:%s", util.RandomString(16), r.cfg.Matrix.ServerName)
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event, err := respMakeJoin.JoinEvent.Build(
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eventID, evTime, r.cfg.Matrix.ServerName, r.cfg.Matrix.KeyID, r.cfg.Matrix.PrivateKey,
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eventID, r.evTime, r.cfg.Matrix.ServerName, r.cfg.Matrix.KeyID, r.cfg.Matrix.PrivateKey,
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)
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if err != nil {
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res := httputil.LogThenError(r.req, err)
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@ -50,7 +50,14 @@ func SendMembership(
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return *reqErr
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}
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evTime := httputil.ParseTSParam(req)
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evTime, err := httputil.ParseTSParam(req)
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if err != nil {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: jsonerror.InvalidArgumentValue(err.Error()),
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}
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}
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inviteStored, err := threepid.CheckAndProcessInvite(
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req.Context(), device, &body, cfg, queryAPI, accountDB, producer,
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membership, roomID, evTime,
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@ -107,6 +107,14 @@ func SetAvatarURL(
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return httputil.LogThenError(req, err)
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}
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evTime, err := httputil.ParseTSParam(req)
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if err != nil {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: jsonerror.InvalidArgumentValue(err.Error()),
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}
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}
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oldProfile, err := accountDB.GetProfileByLocalpart(req.Context(), localpart)
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if err != nil {
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return httputil.LogThenError(req, err)
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@ -128,7 +136,7 @@ func SetAvatarURL(
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}
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events, err := buildMembershipEvents(
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req.Context(), memberships, newProfile, userID, cfg, httputil.ParseTSParam(req), queryAPI,
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req.Context(), memberships, newProfile, userID, cfg, evTime, queryAPI,
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)
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if err != nil {
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return httputil.LogThenError(req, err)
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@ -196,6 +204,14 @@ func SetDisplayName(
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return httputil.LogThenError(req, err)
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}
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evTime, err := httputil.ParseTSParam(req)
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if err != nil {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: jsonerror.InvalidArgumentValue(err.Error()),
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}
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}
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oldProfile, err := accountDB.GetProfileByLocalpart(req.Context(), localpart)
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if err != nil {
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return httputil.LogThenError(req, err)
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@ -217,7 +233,7 @@ func SetDisplayName(
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}
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events, err := buildMembershipEvents(
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req.Context(), memberships, newProfile, userID, cfg, httputil.ParseTSParam(req), queryAPI,
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req.Context(), memberships, newProfile, userID, cfg, evTime, queryAPI,
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)
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if err != nil {
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return httputil.LogThenError(req, err)
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@ -55,52 +55,11 @@ func SendEvent(
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}
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}
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// parse the incoming http request
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userID := device.UserID
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var r map[string]interface{} // must be a JSON object
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resErr := httputil.UnmarshalJSONRequest(req, &r)
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e, resErr := generateSendEvent(req, device, roomID, eventType, stateKey, cfg, queryAPI)
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if resErr != nil {
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return *resErr
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}
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evTime := httputil.ParseTSParam(req)
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// create the new event and set all the fields we can
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builder := gomatrixserverlib.EventBuilder{
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Sender: userID,
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RoomID: roomID,
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Type: eventType,
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StateKey: stateKey,
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}
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err := builder.SetContent(r)
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if err != nil {
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return httputil.LogThenError(req, err)
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}
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var queryRes api.QueryLatestEventsAndStateResponse
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e, err := common.BuildEvent(req.Context(), &builder, cfg, evTime, queryAPI, &queryRes)
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if err == common.ErrRoomNoExists {
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return util.JSONResponse{
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Code: http.StatusNotFound,
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JSON: jsonerror.NotFound("Room does not exist"),
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}
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} else if err != nil {
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return httputil.LogThenError(req, err)
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}
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// check to see if this user can perform this operation
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stateEvents := make([]*gomatrixserverlib.Event, len(queryRes.StateEvents))
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for i := range queryRes.StateEvents {
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stateEvents[i] = &queryRes.StateEvents[i]
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}
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provider := gomatrixserverlib.NewAuthEvents(stateEvents)
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if err = gomatrixserverlib.Allowed(*e, &provider); err != nil {
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return util.JSONResponse{
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Code: http.StatusForbidden,
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JSON: jsonerror.Forbidden(err.Error()), // TODO: Is this error string comprehensible to the client?
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}
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}
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var txnAndDeviceID *api.TransactionID
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if txnID != nil {
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txnAndDeviceID = &api.TransactionID{
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@ -129,3 +88,66 @@ func SendEvent(
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return res
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}
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func generateSendEvent(
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req *http.Request,
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device *authtypes.Device,
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roomID, eventType string, stateKey *string,
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cfg config.Dendrite,
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queryAPI api.RoomserverQueryAPI,
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) (*gomatrixserverlib.Event, *util.JSONResponse) {
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// parse the incoming http request
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userID := device.UserID
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var r map[string]interface{} // must be a JSON object
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resErr := httputil.UnmarshalJSONRequest(req, &r)
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if resErr != nil {
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return nil, resErr
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}
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evTime, err := httputil.ParseTSParam(req)
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if err != nil {
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return nil, &util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: jsonerror.InvalidArgumentValue(err.Error()),
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}
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}
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// create the new event and set all the fields we can
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builder := gomatrixserverlib.EventBuilder{
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Sender: userID,
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RoomID: roomID,
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Type: eventType,
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StateKey: stateKey,
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}
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err = builder.SetContent(r)
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if err != nil {
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resErr := httputil.LogThenError(req, err)
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return nil, &resErr
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}
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var queryRes api.QueryLatestEventsAndStateResponse
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e, err := common.BuildEvent(req.Context(), &builder, cfg, evTime, queryAPI, &queryRes)
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if err == common.ErrRoomNoExists {
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return nil, &util.JSONResponse{
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Code: http.StatusNotFound,
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JSON: jsonerror.NotFound("Room does not exist"),
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}
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} else if err != nil {
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resErr := httputil.LogThenError(req, err)
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return nil, &resErr
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}
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// check to see if this user can perform this operation
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stateEvents := make([]*gomatrixserverlib.Event, len(queryRes.StateEvents))
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for i := range queryRes.StateEvents {
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stateEvents[i] = &queryRes.StateEvents[i]
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}
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provider := gomatrixserverlib.NewAuthEvents(stateEvents)
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if err = gomatrixserverlib.Allowed(*e, &provider); err != nil {
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return nil, &util.JSONResponse{
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Code: http.StatusForbidden,
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JSON: jsonerror.Forbidden(err.Error()), // TODO: Is this error string comprehensible to the client?
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}
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}
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return e, nil
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}
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