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Remove PerformError (#3066)

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This removes `PerformError`, which was needed when we still had
polylith.

This removes quite a bunch of
```go
if err != nil {
	return err
}
if err := res.Error; err != nil {
	return err.JSONResponse()
}
```

Hopefully can be read commit by commit. [skip ci]
This commit is contained in:
Till 2023-04-28 17:46:01 +02:00 • committed by GitHub
parent 1432743d1a
commit 6b47cf0f6a
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GPG key ID: 4AEE18F83AFDEB23
22 changed files with 469 additions and 903 deletions
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55
roomserver/internal/perform/perform_peek.go
View file

@ -44,21 +44,8 @@ type Peeker struct {
func (r *Peeker) PerformPeek(
ctx context.Context,
req *api.PerformPeekRequest,
res *api.PerformPeekResponse,
) error {
roomID, err := r.performPeek(ctx, req)
if err != nil {
perr, ok := err.(*api.PerformError)
if ok {
res.Error = perr
} else {
res.Error = &api.PerformError{
Msg: err.Error(),
}
}
}
res.RoomID = roomID
return nil
) (roomID string, err error) {
return r.performPeek(ctx, req)
}
func (r *Peeker) performPeek(
@ -68,16 +55,10 @@ func (r *Peeker) performPeek(
// FIXME: there's way too much duplication with performJoin
_, domain, err := gomatrixserverlib.SplitID('@', req.UserID)
if err != nil {
return "", &api.PerformError{
Code: api.PerformErrorBadRequest,
Msg: fmt.Sprintf("Supplied user ID %q in incorrect format", req.UserID),
}
return "", api.ErrInvalidID{Err: fmt.Errorf("supplied user ID %q in incorrect format", req.UserID)}
}
if !r.Cfg.Matrix.IsLocalServerName(domain) {
return "", &api.PerformError{
Code: api.PerformErrorBadRequest,
Msg: fmt.Sprintf("User %q does not belong to this homeserver", req.UserID),
}
return "", api.ErrInvalidID{Err: fmt.Errorf("user %q does not belong to this homeserver", req.UserID)}
}
if strings.HasPrefix(req.RoomIDOrAlias, "!") {
return r.performPeekRoomByID(ctx, req)
@ -85,10 +66,7 @@ func (r *Peeker) performPeek(
if strings.HasPrefix(req.RoomIDOrAlias, "#") {
return r.performPeekRoomByAlias(ctx, req)
}
return "", &api.PerformError{
Code: api.PerformErrorBadRequest,
Msg: fmt.Sprintf("Room ID or alias %q is invalid", req.RoomIDOrAlias),
}
return "", api.ErrInvalidID{Err: fmt.Errorf("room ID or alias %q is invalid", req.RoomIDOrAlias)}
}
func (r *Peeker) performPeekRoomByAlias(
@ -98,7 +76,7 @@ func (r *Peeker) performPeekRoomByAlias(
// Get the domain part of the room alias.
_, domain, err := gomatrixserverlib.SplitID('#', req.RoomIDOrAlias)
if err != nil {
return "", fmt.Errorf("alias %q is not in the correct format", req.RoomIDOrAlias)
return "", api.ErrInvalidID{Err: fmt.Errorf("alias %q is not in the correct format", req.RoomIDOrAlias)}
}
req.ServerNames = append(req.ServerNames, domain)
@ -147,10 +125,7 @@ func (r *Peeker) performPeekRoomByID(
// Get the domain part of the room ID.
_, domain, err := gomatrixserverlib.SplitID('!', roomID)
if err != nil {
return "", &api.PerformError{
Code: api.PerformErrorBadRequest,
Msg: fmt.Sprintf("Room ID %q is invalid: %s", roomID, err),
}
return "", api.ErrInvalidID{Err: fmt.Errorf("room ID %q is invalid: %w", roomID, err)}
}
// handle federated peeks
@ -169,11 +144,7 @@ func (r *Peeker) performPeekRoomByID(
fedRes := fsAPI.PerformOutboundPeekResponse{}
_ = r.FSAPI.PerformOutboundPeek(ctx, &fedReq, &fedRes)
if fedRes.LastError != nil {
return "", &api.PerformError{
Code: api.PerformErrRemote,
Msg: fedRes.LastError.Message,
RemoteCode: fedRes.LastError.Code,
}
return "", fedRes.LastError
}
}
@ -194,17 +165,11 @@ func (r *Peeker) performPeekRoomByID(
}
if !worldReadable {
return "", &api.PerformError{
Code: api.PerformErrorNotAllowed,
Msg: "Room is not world-readable",
}
return "", api.ErrNotAllowed{Err: fmt.Errorf("room is not world-readable")}
}
if ev, _ := r.DB.GetStateEvent(ctx, roomID, "m.room.encryption", ""); ev != nil {
return "", &api.PerformError{
Code: api.PerformErrorNotAllowed,
Msg: "Cannot peek into an encrypted room",
}
return "", api.ErrNotAllowed{Err: fmt.Errorf("Cannot peek into an encrypted room")}
}
// TODO: handle federated peeks