Skip room join until we run into a 403 Forbidden and peek into world_readable rooms#272
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MadLittleMods wants to merge 4 commits into
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Skip room join until we run into a 403 Forbidden and peek into world_readable rooms#272MadLittleMods wants to merge 4 commits into
403 Forbidden and peek into world_readable rooms#272MadLittleMods wants to merge 4 commits into
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Before, it would swallow all of the errors and just return empty data which was fine but now we want it to retry fetching if we weren't in the room yet so we need that 403 error being thrown signal.
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403 Forbidden and peek into world_readable rooms
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Skip room join until we run into a
403 Forbiddenand peek intoworld_readableroomsPreviously, we would try to join the room no matter what. Now with this PR, we assume that we are already joined to the room or can peek in the
world_readablecase and only if we get a403 Forbidden, do we go back and try to join the room.This has the effect of the Matrix Public Archive being able to serve content from
world_readablerooms without joining (peeking). And in the case of aworld_readableroom needing invites, will still work (see case mentioned in #271).This prevents the archive bot from joining a room if the server already knows about. We need to join as a fallback no matter what because it's not possible to peek or glean information about a room over federation without joining.
Fix #50
Fix #271
Also related to this discussion in
#matrix-public-archive:matrix.orgGoing further
In order to solve the federated peeking problem to see if a room is
world_readable, we could use MSC3266 room summaries to check whether the room isworld_readableeven over federation.This would prevent joins for rooms on any servers that support MSC3266.
Todo