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[pseudoIDs] More pseudo ID fixes - Part 2 (#3181)

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Fixes include:
- Translating state keys that contain user IDs to their respective room
keys for both querying and sending state events
- **NOTE**: there may be design discussion needed on what should happen
when sender keys cannot be found for users
- A simple fix for kicking guests from rooms properly
- Logic for boundary history visibilities was slightly off (I'm
surprised this only manifested in pseudo ID room versions)

Signed-off-by: `Sam Wedgwood <sam@wedgwood.dev>`
This commit is contained in:
Sam Wedgwood 2023-08-24 16:43:51 +01:00 • committed by GitHub
parent a721294e2b
commit 9b5be6b9c5
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GPG key ID: 4AEE18F83AFDEB23
11 changed files with 865 additions and 36 deletions
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28
syncapi/internal/history_visibility.go
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@ -163,17 +163,23 @@ func ApplyHistoryVisibilityFilter(
// by setting the effective evVis to the least restrictive
// of the old vs new.
// https://spec.matrix.org/v1.3/client-server-api/#server-behaviour-5
if hisVis, err := ev.HistoryVisibility(); err == nil {
prevHisVis := gjson.GetBytes(ev.Unsigned(), "prev_content.history_visibility").String()
oldPrio, ok := historyVisibilityPriority[gomatrixserverlib.HistoryVisibility(prevHisVis)]
// if we can't get the previous history visibility, default to shared.
if !ok {
oldPrio = historyVisibilityPriority[gomatrixserverlib.HistoryVisibilityShared]
}
// no OK check, since this should have been validated when setting the value
newPrio := historyVisibilityPriority[hisVis]
if oldPrio < newPrio {
evVis.visibility = gomatrixserverlib.HistoryVisibility(prevHisVis)
if ev.Type() == spec.MRoomHistoryVisibility {
hisVis, err := ev.HistoryVisibility()
if err == nil && hisVis != "" {
prevHisVis := gjson.GetBytes(ev.Unsigned(), "prev_content.history_visibility").String()
oldPrio, ok := historyVisibilityPriority[gomatrixserverlib.HistoryVisibility(prevHisVis)]
// if we can't get the previous history visibility, default to shared.
if !ok {
oldPrio = historyVisibilityPriority[gomatrixserverlib.HistoryVisibilityShared]
}
// no OK check, since this should have been validated when setting the value
newPrio := historyVisibilityPriority[hisVis]
if oldPrio < newPrio {
evVis.visibility = gomatrixserverlib.HistoryVisibility(prevHisVis)
} else {
evVis.visibility = hisVis
}
}
}
// do the actual check