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Fix failing ban tests (#1884)

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* Add room membership and powerlevel checks for func SendBan

* Added non-error return to func GetStateEvent when no state events with the specified state key are found

* Add passing tests to whitelist

* Fixed formatting

* Update roomserver/storage/shared/storage.go

Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
Co-authored-by: kegsay <kegan@matrix.org>
Co-authored-by: kegsay <kegsay@gmail.com>
This commit is contained in:
David Spenler 2021-07-19 13:33:05 -04:00 committed by GitHub
parent 5094bc89bf
commit 8d8fe485b4
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3 changed files with 37 additions and 0 deletions
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31
clientapi/routing/membership.go
View file

@ -47,6 +47,37 @@ func SendBan(
if reqErr != nil { if reqErr != nil {
return *reqErr return *reqErr
} }
errRes := checkMemberInRoom(req.Context(), rsAPI, device.UserID, roomID)
if errRes != nil {
return *errRes
}
plEvent := roomserverAPI.GetStateEvent(req.Context(), rsAPI, roomID, gomatrixserverlib.StateKeyTuple{
EventType: gomatrixserverlib.MRoomPowerLevels,
StateKey: "",
})
if plEvent == nil {
return util.JSONResponse{
Code: 403,
JSON: jsonerror.Forbidden("You don't have permission to ban this user, no power_levels event in this room."),
}
}
pl, err := plEvent.PowerLevels()
if err != nil {
return util.JSONResponse{
Code: 403,
JSON: jsonerror.Forbidden("You don't have permission to ban this user, the power_levels event for this room is malformed so auth checks cannot be performed."),
}
}
allowedToBan := pl.UserLevel(device.UserID) >= pl.Ban
if !allowedToBan {
return util.JSONResponse{
Code: 403,
JSON: jsonerror.Forbidden("You don't have permission to ban this user, power level too low."),
}
}
return sendMembership(req.Context(), accountDB, device, roomID, "ban", body.Reason, cfg, body.UserID, evTime, roomVer, rsAPI, asAPI) return sendMembership(req.Context(), accountDB, device, roomID, "ban", body.Reason, cfg, body.UserID, evTime, roomVer, rsAPI, asAPI)
} }

4
roomserver/storage/shared/storage.go
View file

@ -866,6 +866,10 @@ func (d *Database) GetStateEvent(ctx context.Context, roomID, evType, stateKey s
return nil, err return nil, err
} }
stateKeyNID, err := d.EventStateKeysTable.SelectEventStateKeyNID(ctx, nil, stateKey) stateKeyNID, err := d.EventStateKeysTable.SelectEventStateKeyNID(ctx, nil, stateKey)
if err == sql.ErrNoRows {
// No rooms have a state event with this state key, otherwise we'd have an state key NID
return nil, nil
}
if err != nil { if err != nil {
return nil, err return nil, err
} }

2
sytest-whitelist
View file

@ -520,6 +520,8 @@ Inviting an AS-hosted user asks the AS server
Can generate a openid access_token that can be exchanged for information about a user Can generate a openid access_token that can be exchanged for information about a user
Invalid openid access tokens are rejected Invalid openid access tokens are rejected
Requests to userinfo without access tokens are rejected Requests to userinfo without access tokens are rejected
'ban' event respects room powerlevel
Non-present room members cannot ban others
POST /_synapse/admin/v1/register with shared secret POST /_synapse/admin/v1/register with shared secret
POST /_synapse/admin/v1/register admin with shared secret POST /_synapse/admin/v1/register admin with shared secret
POST /_synapse/admin/v1/register with shared secret downcases capitals POST /_synapse/admin/v1/register with shared secret downcases capitals